package com.hongmao.comprehensive.web.filter;

import javax.servlet.*;
import javax.servlet.annotation.WebFilter;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

/**
 * @author jinxiangyang
 * @date 2023/5/10 15:25
 * @description TODO
 **/


@WebFilter("/*")
public class CharacterFilter implements Filter {
    @Override
    public void init(FilterConfig filterConfig) throws ServletException {

    }

    @Override
    public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse, FilterChain filterChain) throws IOException, ServletException {
        HttpServletRequest request = (HttpServletRequest) servletRequest;
        HttpServletResponse response = (HttpServletResponse) servletResponse;
        String method = request.getMethod();
        if(method.equalsIgnoreCase("post")){
            request.setCharacterEncoding("utf-8");
        }
        response.setContentType("application/json;charset=utf-8");
        filterChain.doFilter(request,response);
    }

    @Override
    public void destroy() {

    }
}
